Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Scan Tool Data Definitions
- Battery 1
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The scan tool displays 0.0-18.0 volts. The state of the battery voltage feed for logic supplied to the door module selected.
- Battery 2
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The scan tool displays 0.0-18.0 volts. The state of the battery voltage feed for loads supplied to the door module selected.
- Calibration ID
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The scan tool displays the calibration or program revision level used in the PROM of the door module selected.
- Door Ajar
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The scan tool displays Closed/Ajar. The door ajar indicator switch input to the door module selected, where an open door is displayed as Ajar.
- Door Key Unlock
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The scan tool displays Active/Inactive. The door key cylinder input to the door module selected, where the key cylinder transition to the Unlock position is displayed as Active.
- Door Lock Motor
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The scan tool displays Active/Inactive. The door lock motor output from the door module selected, where the motor transition to the Lock position is displayed as Active.
- Door Lock Switch
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The scan tool displays Active/Inactive. The door lock switch input to the door module selected, where the switch transition to the Lock position is displayed as Active.
- Door Switch Pad Illum
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The scan tool displays 0-100%. The door switch illumination input to the door module selected, where the dimming switch rotated to bright is displayed as a higher percentage.
- Door Unlock Motor
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The scan tool displays Active/Inactive. The door unlock motor output from the door module selected, where the motor transition to the Unlock position is displayed as Active.
- Door Unlock Switch
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The scan tool displays Active/Inactive. The door lock switch input to the door module selected, where the switch transition to the Unlock position is displayed as Active.
- Driver Door Ajar Sw.
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The scan tool displays Open/Closed. The driver door ajar switch input to the BCM, where the door transition to the open position is displayed as Open.
- Driver Window Down Switch
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The scan tool displays Active/Inactive. The driver door switch window input to the DDM, where the switch transition to the Down position is displayed as Active.
- Driver Window Up Switch
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The scan tool displays Active/Inactive. The driver door switch window input to the DDM, where the switch transition to the Up position is displayed as Active.
- Drv Mirror Select LED
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The scan tool displays Active/Inactive. The driver door switch mirror select input to the DDM, where the illumination of the LH mirror LED is displayed as Active.
- Drv Mirror Select Sw
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The scan tool displays Active/Inactive. The driver door switch mirror select input to the DDM, where the switch transition to the LH mirror position is displayed as Active.
- Ignition Voltage
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The scan tool displays 0-16.0 volts. The state of the ignition voltage supplied to the door module selected.
- Memory 1 Indicator
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The scan tool displays Active/Inactive. The driver door switch memory 1 indicator output from the DDM, where the illumination of the Mem 1 indicator is displayed as Active.
- Memory 1 Select Switch
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The scan tool displays Active/Inactive. The driver door switch memory 1 select input to the DDM, where the switch transition to the Mem 1 position is displayed as Active.
- Memory 2 Indicator
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The scan tool displays Active/Inactive. The driver door switch memory 2 indicator output from the DDM, where the illumination of the Mem 2 indicator is displayed as Active.
- Memory 2 Select Switch
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The scan tool displays Active/Inactive. The driver door switch memory 2 select input to the DDM, where the switch transition to the Mem 2 position is displayed as Active.
- Mirror Down Motor
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The scan tool displays Active/Inactive. The vertical mirror motor output from the door module selected, where the motor transition in the Down direction is displayed as Active.
- Mirror Down Switch
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The scan tool displays Active/Inactive. The driver door switch mirror position input to the DDM, where the switch transition to the Down position is displayed as Active.
- Mirror Heater
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The scan tool displays Active/Inactive. The mirror heating element output from the door module selected, where the heating element being activated is displayed as Active.
- Mirror Horizontal Pos
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The scan tool displays 0-5.0 volts. The mirror horizontal position sensor feedback voltage to the door module selected.
- Mirror Left Motor
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The scan tool displays Active/Inactive. The horizontal mirror motor output from the door module selected, where the motor transition in the Left direction is displayed as Active.
- Mirror Left Switch
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The scan tool displays Active/Inactive. The driver door switch mirror position input to the DDM, where the switch transition to the Left position is displayed as Active.
- Mirror Motor Load
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The scan tool displays 0-0.48 amps. The amperage drawn by the mirror motor when operated.
- Mirror Right Motor
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The scan tool displays Active/Inactive. The horizontal mirror motor output from the door module selected, where the motor transition in the Right direction is displayed as Active
- Mirror Right Switch
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The scan tool displays Active/Inactive. The driver door switch mirror position input to the DDM, where the switch transition to the Right position is displayed as Active.
- Mirror Up Motor
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The scan tool displays Active/Inactive. The vertical mirror motor output from the door module selected, where the motor transition in the Up direction is displayed as Active.
- Mirror Up Switch
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The scan tool displays Active/Inactive. The driver door switch mirror position input to the DDM, where the switch transition to the Up position is displayed as Active.
- Mirror Vertical Pos
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The scan tool displays 0-5.0 volts. The mirror vertical position sensor feedback voltage to the door module selected.
- Passenger Door Ajar Sw.
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The scan tool displays Open/Closed. The passenger door ajar switch input to the BCM, where the door transition to the open position is displayed as Open.
- Position Sensor Ref
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The scan tool displays 0-5.0 volts. The voltage supplied to the mirror horizontal and vertical position sensors.
- Psgr Mirror Select Led
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The scan tool displays Active/Inactive. The driver door switch mirror select input to the DDM, where the illumination of the RH mirror LED is displayed as Active.
- Psgr. Mirror Select Switch
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The scan tool displays Active/Inactive. The driver door switch mirror select input to the DDM, where the switch transition to the RH mirror position is displayed as Active.
- Psgr. Window Down Switch
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The scan tool displays Active/Inactive. The passenger door switch window input to the PDM, where the switch transition to the Down position is displayed as Active.
- Psgr. Window Up Switch
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The scan tool displays Active/Inactive. The passenger door switch window input to the PDM, where the switch transition to the Up position is displayed as Active.
- Rear Defog Relay
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The scan tool displays Active/Inactive. The climate control rear defog relay input to the BCM, where the relay transition to energized is displayed as Active.
- Software Release
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The scan tool displays the software release number for service identification of the door module selected.
- Software Version
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The scan tool displays the software version number for service identification of the door module selected.
- Window Motor Load
-
The scan tool displays 0-52.7 amps. The amperage drawn by the window motor when operated.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.